G01J 3/522
Circular colour charts
Official title: {circular colour charts}
G01J3/522 (Circular colour charts) appears on 41 US grants and 37 published applications in this corpus.
Search patents in G01J- Granted patents
- 41
- Published applications
- 37
- Assignees
- 27
- Inventors
- 80
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 3 |
| 2015 | 3 | 3 |
| 2016 | 1 | 1 |
| 2017 | 2 | 5 |
| 2018 | 3 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 4 |
| 2021 | 0 | 3 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 4 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for formulation information generation1 Jul 2025US 12,347,329 B2Axalta Coating Systems IP Co., LLC
- Measure of the color of an area of interest target in relationship with color measurement targets31 Dec 2024US 12,183,042 B2Cosnova GmbH
- Colorimeter colour standards16 Jul 2024US 12,038,327 B2Tintometer GmbH
- Systems and methods for formulation information generation18 Jun 2024US 12,014,644 B2Axalta Coating Systems IP Co., LLC
- Automated color calibration system for optical devices6 Feb 2024US 11,893,758 B2Verichrome
- Method for classifying a color of a makeup product and tool for assistance in the development of colors of makeup products27 Aug 2026US 2026/0251503 A1L'oreal
- Calibrating a digital image of skin tissue2 Oct 2025US 2025/0308069 A1Ai Labs Group, S.L.
- Systems and methods for formulation information generation22 Aug 2024US 2024/0282215 A1Axalta Coating Systems IP Co., LLC
- Automated color calibration system for optical devices27 Jul 2023US 2023/0237686 A1Verichrome
- Colorimeter colour standards21 Jul 2022US 2022/0228912 A1Tintometer GmbH
Most cited
By later US patents
- Artists' color display system227US 7,180,524 B12007
- RGB value calculation device90US 10,222,263 B2Yazaki Corporation · 2019
- Color selection apparatus25US 4,665,394 ATaubmans Industries Limited · 1987
- Graphic display and tonal value determinator24US 4,400,161 A1983
- Color computer wheel18US 4,399,353 A1983